.big {
    width: 1280px;
    margin: 0 auto;
    overflow: hidden;
}
.header {
    left: 0px;
    top: 0px;
}
.header .logo img {
    width: 100px;
    margin-left: 15%;
    margin-top: 30px;
}

.content {
    background-image: url(../images/bg.png);
    height: 500px;
    margin-top: 12px;
    margin-bottom: 0;
    background-repeat: no-repeat;
    background-size: 125% 90%;
    background-position: right center;
    position: relative;
}
.login-container {
    position: absolute;
    right: 200px;
    top: 80px;
    background-color: #fff;
    padding-left: 35px;
    padding-right: 35px;
    padding-bottom: 15px;
    box-shadow: 0 0 1px rgba(0, 0, 0, 0.1);
}

.login-container .login-tabs {
    height: 45px;
    line-height: 45px;
    display: flex;
    justify-content: space-between;
    align-self: center;
    margin-top: 15px;
}

.login-container .login-tabs .tab {
    height: 40px;
    width: 80px;
    text-align: center;
    line-height: 30px;
    color: #c81822;
}

.login-container .login-tabs .active {
    color: #626262;
}

.login-container .login-tabs p {
    height: 15px;
    border: 1px solid #ededed;
    margin-top: 3px;
}
.login-container .warning {
    background-color: #fefeed;
    border: 1px solid #f4f1cd;
    font-size: 14px;
    padding-bottom: 15px;
    padding-left: 10px;
    height: 10px;
}

.login-container .input-group {
    margin-top: 10px;
    height: 36px;
    width: 340px;
    display: flex;
    margin-bottom: 10px;
}

.login-container .input-group input {
    height: 33px;
    width: 300px;
    padding-left: 10px;
    border: 1px solid #ccc;
}

.login-container .input-group input:focus {
    border: 2px solid #3ca1e4;
}

.login-container .input-group::placeholder {
    color: #cfcecf;
    text-align: center;
    font-size: 18px;
    padding-left: 10px;
}

.login-container .input-group img {
    width: 32px;
}
.options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 14px;
    padding-right: 37px;
}
.options .forgot-password {
    text-decoration: none;
    color: #000;
}
.options span {
    color: #ccc;
    margin-top: 10px;
}
button {
    background: #ca1119;
    color: #ccc;
    border: 0;
    width: 350px;
    height: 30px;
}
.register-link {
    margin-top: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.register-link img {
    width: 30px;
    height: 30px;
    margin-right: 10px;
}
.register-link .register-button {
    margin-right: 45px;
    color: #3ca1e4;
    text-decoration: none;
}

/* 底部 */
.footer {
    margin-top: -25px;
    background-color: #f5f5f5;
    /* 浅灰色背景 */
    padding: 20px;
    text-align: center;
    font-size: 14px;
    color: #666;
    line-height: 30px;
}

.footer a {
    color: #666;
    text-decoration: none;
    margin: 0 10px;
}

.footer a:hover {
    text-decoration: underline;
}
